Patents by Inventor Mark E. C. Bowen

Mark E. C. Bowen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optical device and a method of manufacture thereof
    Patent number: 5384872
    Abstract: A block of monocrystalline silicon oriented so as to have a body surface aligned in a {110} crystallographic plane is selectively etched so as to define a groove for receiving an optical waveguide and a reflecting surface facing the groove. The groove is aligned with a <110> crystallographic axis. The reflecting surface is in a {100} crystallographic plane. Thus, the groove is parallel to the body surface and the reflecting surface is at 45.degree. to the body surface.
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: January 24, 1995
    Assignee: Lucas Industries Public Limited Company
    Inventors: Alan J. Jacobs-Cook, Peter E. M. Frere, Mark E. C. Bowen